MultiRAE User’s Guide
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6 Turning The MultiRAE On And Off
6.1 Turning The MultiRAE On
With the instrument turned off, press and hold the [MODE] key until the beep sounds and the display and LED
alarm lights turn on, and then release.
A RAE Systems logo (or a company name) should appear first. This is followed by a progression of
screens that tell you the MultiRAE’s current settings:
Product name and model number, air flow type, and serial number
Application firmware version, build date, and build time
Sensor firmware, build date, build time
Installed sensors (including serial number/production/expiration/calibration date and alarm limit
settings)
Current date, time, temperature, and relative humidity
User mode and operation mode
Battery type, voltage, shutoff voltage
Alarm mode and alarm settings
Datalog period (if it is activated) and interval
Policy Enforcement settings (whether calibration and/or bump testing are enforced)
Note: To speed up the startup time, the number of screens shown on startup can be reduced by enabling
the Fast Startup option under Programming/Monitor.
Then the MultiRAE’s main reading screen appears. It may take a few minutes for sensors to show a
reading, so if any have not warmed up by the time the main screen is shown, you will see “- - -” instead of
a numerical value until the sensor provides data (typically less than 2 minutes). Then it displays
instantaneous readings similar to the following screen (depending on the sensors installed) and is ready
for use.
Note: If the battery is completely empty, then the display briefly shows the message “Battery Fully
Discharged,” and the MultiRAE shuts off. You should charge the battery or replace it with a fully charged
battery before turning it on again.
6.2 Turning The MultiRAE Off
Press and hold [MODE]. A 5-second countdown to shutoff begins. You must hold your finger on the key
for the entire shutoff process until the MultiRAE is powered off.
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